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Browsing Research Articles (Medical Microbiology) by UP Author "Schmidt, Tracy"

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Diversity and antimicrobial susceptibility profiling of staphylococci isolated from bovine mastitis cases and close human contacts

Schmidt, Tracy; Kock, Marleen M.; Ehlers, Marthie Magdaleen (American Dairy Science Association, 2015-09)

The objectives of this study were to examine the diversity of Staphylococcus spp. recovered from bovine intramammary infections and humans working in close contact with the animals and to evaluate the susceptibility of ...
Identification and characterization of Staphylococcus devriesei isolates from bovine intramammary infections in KwaZulu-Natal, South Africa

Schmidt, Tracy; Kock, Marleen M.; Ehlers, Marthie Magdaleen (BioMed Central, 2018-11-03)

BACKGROUND : Coagulase-negative staphylococci (CoNS) are among the leading bacterial causes of bovine mastitis in many dairy-producing countries. Among the challenges associated with the specific diagnosis of CoNS ...
Molecular characterization of Staphylococcus aureus isolated from bovine mastitis and close human contacts in South African dairy herds : genetic diversity and inter-species host transmission

Schmidt, Tracy; Kock, Marleen M.; Ehlers, Marthie Magdaleen (Frontiers Research Foundation, 2017-04-06)

Staphylococcus aureus is one of the most common etiological agents of contagious bovine mastitis worldwide. The purpose of this study was to genetically characterize a collection of S. aureus isolates (bovine = 146, human ...
Multiclonal human origin and global expansion of an endemic bacterial pathogen of livestock

Yebra, Gonzalo; Harling-Lee, Joshua D.; Lycett, Samantha; Aarestrup, Frank M.; Larsen, Gunhild; Cavaco, Lina M.; Seo, Keun Seok; Abraham, Sam; Schmidt, Tracy; Ehlers, M.M. (Marthie Magdaleen); Sordelli, Daniel O.; Buzzola, Fernanda R.; Gonçalves, Juliano L.; Dos Santos, Marcos V.; Zakaria, Zunita; Rall, Vera L.M.; Keane, Orla M.; Niedziela, Dagmara A.; Paterson, Gavin K.; Holmes, Mark A.; Freeman, Tom C.; Fitzgerald, J. Ross (National Academy of Sciences, 2022-12)

Most new pathogens of humans and animals arise via switching events from distinct host species. However, our understanding of the evolutionary and ecological drivers of successful host adaptation, expansion, and dissemination ...

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Browsing Research Articles (Medical Microbiology) by UP Author "Schmidt, Tracy"

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